はてなインターン応募RTA / Hatena Engineer Seminar #24 id:cockscomb

Hatena Engineer Seminar #24 「はてなインターン完全攻略マニュアル」 https://developer.hatenastaff.com/entry/engineer-seminar-24 の資料です

1. ͸ͯͳΠϯλʔϯԠื35" )BUFOB
   &OHJOFFS
   4FNJOBS
   
2. גࣜձࣾ͸ͯͳ
   νʔϑΤϯδχΞ
   Ճ౻
   ਘथ
   JEDPDLTDPNC
3. "OPOE
   "* ࠷ۙϦϦʔεͨ͠΋ͷ w ೔هͷଓ͖ΛݴޠϞσϧʢ-.ʣ ͕ॻ͍ͯ͘ΕΔαʔϏε
   w ΤΠϓϦϧϑʔϧʹϦϦʔε
   w ੜ੒͞Εͨ೔هʹ8BUFSNBSLΛ ຒΊࠐΜͰ͋Δ
4. ͸ͯͳαϚʔΠϯλʔϯγοϓʹࢀՃ JEDPDLTDPNC w ౰࣌͸େֶӃੜ
   w ๺ւಓେֶ؀ڥՊֶӃʢ৘ใܥ͡Όͳ͍ʣ
   w झຯͰJ1IPOFͷΞϓϦΛ࡞ͬͯ༡ΜͰ͍ͨ
   w ΠϯλʔϯͰ͸ʮ͸ͯͳϒϩάʯJ04ΞϓϦΛ։ൃ
5. ݱࡏ͸ࣾһͱͯ͠೥໨ JEDPDLTDPNC w ೥൒͘Β͍ಇ͍͍ͯΔ
   w ͸ͯͳϒϩάɺΧΫϤϜɺΠΧϦϯάɺεϚϓϥεɺαʔϏεج൫ͳͲ
   w νʔϑΤϯδχΞ
   w ΤϯδχΞ৬ͷ·ͱΊ໾ͷͻͱΓ
   w Πϯλʔϯ΋؅׋
6. ͸ͯͳΠϯλʔϯԠื35" )BUFOB
   &OHJOFFS
   4FNJOBS
   
7. Ԡืͨ͘͠ͳ͖͍ͬͯͯ·͢ ΑͶʂ
8. Πϯλʔϯγοϓ΁ͷԠื
9. Πϯλʔϯγοϓͱબߟ w ຖ೥ͨ͘͞ΜͷԠื͕͋Δ
   w ͋Γ͕͍ͨ
   w શһʹདྷͯ΋Β͑ͨΒ͍͍͕ɺͦ͏΋͍͔ͳ͍ͷͰબߟΛ͍ͯ͠Δ
10. ߈ུνϟʔτ Ԡื ॻྨબߟ ໘ஊ ࠾༻
11. Ԡื
12. ԠืΫΠζ w Ԡื͢Δͱ͖ʹ؆୯ͳ՝୊Λղ͍ͯ΋Β͍ͬͯΔ
13. ೥
    +40/
    4DIFNB ԠืΫΠζͷྺ࢙ w ༩͑ΒΕͨ+40/
    4DIFNBʹద߹ ͢Δ+40/ͰԠื { "$schema": "http: // json-schema.org/draft-04/schema#", "properties": { "accounts": { "description": "͋ͳ͕ͨར༻͍ͯ͠ΔΠϯλʔωοταʔϏεͷΞΧ΢ϯτ", "properties": { "hatena": { "description": "͸ͯͳͷΞΧ΢ϯτ໊", "type": "string" }, "github": { "description": "GitHubͷΞΧ΢ϯτ໊", "type": "string" } }, "type": "object" }, "languages": { "description": "͋ͳ͕ͨಘҙͳϓϩάϥϛϯάݴޠ(ΑΓಘҙͳݴޠॱ)", "items": { "type": "string" }, "type": "array" }, "portfolio": { "description": "MarkdownܗࣜͷࣗવจͰॻ͔Εͨ͋ͳͨͷϙʔτϑΥϦΦɻଞͷ߲໨ʹऩ ·Βͳ͍಺༰΍ɺิ଍͢Δࣄ߲ͳͲΛͳΜͰ΋ॻ͍ͯԼ͍͞ɻ", "type": "string" } }, "required": ["languages", "portfolio"], "type": "object", "additionalProperties": false }
14. ೥
    %PDLFS ԠืΫΠζͷྺ࢙
15. ೥
    8FCΠϯεϖΫλ ԠืΫΠζͷྺ࢙
16. ೥
    (SBQI2- ԠืΫΠζͷྺ࢙
17. ԠืΫΠζ w ͪΐͬͱखΛಈ͔ͨ͠Βղ͚Δɺ͘Β͍Λ໨ࢦ͍ͯ͠Δ
    w ໘ஊͰײ૝Λฉ͘ͱʮ؆୯͗ͨ͢ʯͱ΋ݴΘΕΔ
    w ΤϯδχΞָ͕͠ΊΔΑ͏ͳ՝୊ʹ͍ͨ͠
    w ࣮૷΋޻෉͍ͯ͠Δ
    w ຖ೥ωλ੾Ε͍ͯ͠Δʜʜ
18. ԠืΫΠζ͸ɺ͓΋ͯͳ͠
19. ͦͯ͠ɺ೥
20. ೥
    +BWB4DSJQU ԠืΫΠζ
21. ೥
    +BWB4DSJQU ԠืΫΠζ
22. ೥
    +BWB4DSJQU ԠืΫΠζ w ਖ਼͍͠ύείʔυΛҾ਺ʹͯ͠VOMPDLؔ਺Λݺͼग़͢
    w +BWB4DSJQU͕࣮ࡍʹ࣮ߦ͞ΕΔ
    w JGSBNFΛ࢖ͬͨTBOECPYͰ࣮ߦ͍ͯ͠ΔʢͷͰBMFSUͱ͔͸Ͱ͖ͳ͍ʣ
    w ώϯτͷதʹGPSจ΍USZʜDBUDIͷઆ໌͕͋Δ
    w ͭ·Γʁ
23. ೥
    +BWB4DSJQU ԠืΫΠζ
24. const encrypted = 's9Vo5kz2HD5y/H/I6ioBKweghEcM2zyoI9Hf74b4jxwALSgj9hk5V6dLe2LJZ/dVRXlO+FW6Kmv895UAhzN4WcDM40gYPN+PaT9hEBTwNyV2fxbe' const salt = new TextEncoder().encode(atob('MTY2LDYxLDIxOCwyMTMsMjQ5LDEwNiwyNDEsMjQzLDE3Myw2LDAsMTY0LDYxLDEyMiwyMzYsNzg=')) async function _convertPasscodeToKey(passcode) { const digest = await crypto.subtle.digest('SHA-256', (new TextEncoder()).encode(String(passcode).padStart(4, '0'))) const keyMaterial = await crypto.subtle.importKey('raw', digest, 'PBKDF2', false, ['deriveKey']) return await crypto.subtle.deriveKey( { name: 'PBKDF2', salt, iterations: 1, hash: 'SHA-256' }, keyMaterial, { name: 'AES-GCM', length: 256 }, false, ['encrypt', 'decrypt'] ) } async function _decrypt(key, data) { const buffer = new Uint8Array(atob(data).split('').map((c) => c.charCodeAt(0))) const iv = buffer.slice(0, 12) const encrypted = buffer.slice(12) const decrypted = await crypto.subtle.decrypt({ name: 'AES-GCM', iv }, key, encrypted) return (new TextDecoder()).decode(decrypted) } async function unlock(passcode) { const key = await _convertPasscodeToKey(passcode) return await _decrypt(key, encrypted) }
25. ೥
    +BWB4DSJQU ԠืΫΠζ w ྫ೥ΑΓͪΐͬͱ೉қ౓͕ߴ͍
    w ʢώϯτΛݟͯʣղ͖ํ͕Θ͔Δ͔Ͳ͏͔
    w ղ͖ํ͕Θ͔Δਓ͸GPSจΛॻ͚Δ͸ͣ
    w 5XJUUFSΛݟ͍ͯͨΒී௨ʹϓϩͷΤϯδχΞ͕ͨͪղ͍͍ͯͨ
26. ԠืΫΠζ͸ɺ͓΋ͯͳ͠
27. ߈ུνϟʔτ Ԡื ॻྨબߟ ໘ஊ ࠾༻
28. ॻྨબߟ
29. Ͳ͏ݟΒΕ͍ͯΔ͔Λ஌Δ Ԡืॻྨͷॻ͖ํ w ॻྨબߟ׭ʢࢲͰ͢ʣ͸
    w ຖே͔࣌Β࣌ʹॻྨΛ֬ೝ͍ͯ͠Δ
    w ΠϯλʔϯͷԠื͸શһ෼ݟΔ
    w ॻ͍ͯ͋Δ͜ͱ͸ͻͱͱ͓ΓݟΔ
    w ϙʔτϑΥϦΦ͔Β4/4ͷΞΧ΢ϯτ·Ͱ
30. ॏࢹ͍ͯ͠Δ͜ͱ Ԡืॻྨͷॻ͖ํ w ؍ଌͰ͖ΔΞ΢τϓοτ
    w ϒϩά΍8JLJ
    w (JU)VC্ͷίʔυ
    w ΠϯλʔωοταʔϏε͕޷͖ͦ͏͔
    w ࣄۀͷυϝΠϯʹؔ৺͕͋Δ͔
31. ϒϩά΍8JLJ Ԡืॻྨͷॻ͖ํ w χονͰ΋ɺࣗ෼Ͱௐ΂ͨΓࢼߦࡨ ޡͨ͜͠ͱ
    w ଞͷਓʹ໾ʹཱͭΑ͏ʹҰൠԽ͞ Ε͍ͯΔͱͳ͓ྑ͍
    w ࢲ͸0CKFDUJWF$ͷ࠷ۙʢ೥ ౰࣌ج४Ͱʣͷॻ͖ํΛࢦೆ͢Δϒ ϩάΛॻ͍͍ͯ·ͨ͠ʜʜ
32. (JU)VC্ͷίʔυ Ԡืॻྨͷॻ͖ํ w ୭͔ʹͱͬͯ༗༻ͳΞϓϦέʔγϣϯ΍ϥΠϒϥϦ
    w ࣗ෼ʹͱͬͯ༗༻ɺͰ0,
    w ͠͹Β͘ϝϯςφϯε͕ଓ͍͍ͯΔ΋ͷͩͱͳ͓ྑ͍
    w ϝϯςφϯε͠ଓ͚ΔதͰಘΒΕΔֶͼ͕͋Δ
33. ίʔυ Ԡืॻྨͷॻ͖ํ w ΦʔϓϯʹͰ͖ͳ͍΋ͷͰ΋ݖར ্໰୊ͳ͚Ε͹ݟͤͯ΄͍͠
    w ࢲ͸஌Γ߹͍ͷσβΠφʔͱ࡞ ͍ͬͯͨ࣌ܭΞϓϦͷίʔυ Λ[JQͰఏग़͠·ͨ͠
34. ߈ུνϟʔτ Ԡื ॻྨબߟ ໘ஊ ࠾༻
35. ໘ஊ
36. ָ͓͘͠࿩ ໘ஊ w ࠷ॳʹࣄ຿తͳ͜ͱΛ࢕͍·͢
    w ೔ఔ΍ر๬ͷνʔϜͳͲʹ͍ͭͯᴥᴪ͕ͳ͍͔֬ೝ
    w ͋ͱ͸཰௚ʹɺָ͓͘͠࿩͠Ͱ͖ͨΒ0,
    w ΠϯλʔϯͰԿΛ΍Γ͍͔ͨ
    w ΤϯδχΞϦϯάʹ͍ͭͯͷڵຯ
37. ߈ུνϟʔτ Ԡื ॻྨબߟ ໘ஊ ࠾༻
38. ߈ུνϟʔτ ࠾༻
39. ͸ͯͳΠϯλʔϯԠื35" )BUFOB
    &OHJOFFS
    4FNJOBS
     w ͳΔ΂͘Ԡืͷաఔ͔Βָ͠ΊΔΑ͏ʹ͍ͨ͠
    w ͪΌΜͱݟ͍ͯ·͢
    w Ԡื͢Δͷ͸λμʂ
    w ؾܰʹ͝Ԡื͍ͩ͘͞
40. IBUFOBDPKQSFDSVJUJOUFSO